public void TestThatServiceLocatorAvailableDiscountsReturnsExpectedDiscounts()
{
var firstDiscount = new Discount(0.05, 1000);
var secondDisctount = new Discount(0.10, 1750);
var locator = new ServiceLocator();
locator.AddDiscount(firstDiscount);
locator.AddDiscount(secondDisctount);
Assert.AreSame(firstDiscount, locator.AvailableDiscounts[0]);
Assert.AreSame(secondDisctount, locator.AvailableDiscounts[1]);
Assert.AreEqual(2, locator.AvailableDiscounts.Count);
}
